19402504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 41860800

約数和(自身を除く): 22458296

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 59, 74, 88, 101, 118, 148, 202, 236, 296, 404, 407, 472, 649, 808, 814, 1111, 1298, 1628, 2183, 2222, 2596, 3256, 3737, 4366, 4444, 5192, 5959, 7474, 8732, 8888, 11918, 14948, 17464, 23836, 24013, 29896, 41107, 47672, 48026, 65549, 82214, 96052, 131098, 164428, 192104, 220483, 262196, 328856, 440966, 524392, 881932, 1763864, 2425313, 4850626, 9701252, 19402504]

約数ペア:

[(1, 19402504), (2, 9701252), (4, 4850626), (8, 2425313), (11, 1763864), (22, 881932), (37, 524392), (44, 440966), (59, 328856), (74, 262196), (88, 220483), (101, 192104), (118, 164428), (148, 131098), (202, 96052), (236, 82214), (296, 65549), (404, 48026), (407, 47672), (472, 41107), (649, 29896), (808, 24013), (814, 23836), (1111, 17464), (1298, 14948), (1628, 11918), (2183, 8888), (2222, 8732), (2596, 7474), (3256, 5959), (3737, 5192), (4366, 4444)]